What must be added to (2x - 3y) to get (x - 2y)?
5y - x
y - x
x - 5x
x - y
Correct answer is B
What must be added to 2x - 3y = Difference between x - 2y and 2x - 3y x - 2y - 2y - (2x - 3y); x - 2y - 2x + 3y = x - 2x + 3y - 2y = y - x
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